Oil Shale Properties by Split Cylinder Method
The mechanical properties of oil shale are being investigated to provide the basic information necessary to develop and optimize procedures for modifying the rock in place, as required...

Public Water Supply Protection Benefits
Public Law 92-500, in Section 302, required in one place that EPA promulgate waste discharge requirements in some cases more stringent than best available technology. But, on the other...

Low-Cost Shoreline Protection in Massachusetts

Optimization Methods for Design of Multimodal Networks

Project Selection Based on Benefits and Costs
Originally published in Journal of the Construction Engrg. Division, Vol. 98, No. 2, September 1972, pp. 149-160...

Quality Considerations for Water Supply Evaluations
In regions where the water quality of the sources can vary, the beneficial effects of the higher quality water should be considered. This is particularly true in the Southwestern United...

Parametric Analysis of Rapid Transit Feasibility
Parametric analysis is a sketch planning technique to test the feasibility of fixed guideway systems with a variety of alternative transit technologies. This approach was used in Albuquerque,...

Comparative Evaluation of Sequencing Batch Reactors
The performance of many processes and operations can be improved appreciably by the controlled unsteady operations that are provided by sequencing batch (fill and draw) biological reactors....

Comparison of Tangibles and Intangibles
Three techniques are described for comparing the tangible and intangible costs and benefits involved in environmental and water resources projects. The three techniques are: (1)Engineering...

Environmental Planning Via Low-Cost Computer Technology
Varying user requirements exist in order to assure effective and efficient environmental planning. Rather than tailor the solution to these diverse requirements to one general purpose...

Time and Stress-Compressibility Interrelationship
For any natural soil a unique relationship exists between secondary compression index Ca and compression index Cc....

Segmental Liner for Soft Ground Tunnels
Concrete is presented as a low-cost material for use as a sole tunnel liner material in future mass transit tunnel projects. Existing mass transit tunnels throughout the world which have...

Economic Analysis for Accelerated Construction
The potential economic benefits of accelerating off-season construction activity are reviewed. The advantages of investigating individual projects via a construction sequence model which...

Theory for Shear Strength of Granular Materials
Based on statistical methods, a theory has been proposed for the shear strength of a random assembly of spherical cohesionless particles. The theoretical analysis gives a relationship...

Calculators in Timer-Counters for Current Meters
An accurate, compact, low-cost, calculator-based electronic timer-counter for current meters has been constructed and laboratory tested. Electronic calculators often offer an economically...

Coefficients of Deformation of an Anisotropic Body
The five characteristic elastic constants of an axisymmetric anisotropic solid with a plane of isotropy can usually not all be established by laboratory methods. It is shown by a transformation...

Formulation of Iowa State Airport System
An adaptation of the map method was used to identify general aviation airports appropriate for inclusion in the Iowa State Airport System. In this analysis, direct economic benefits were...

Void Ratio of Dredged Material

Mammoth Transshipment Terminal Links Montana Coal to Michigan Power Plant
In 1973 Detroit Edison contracted with the Decker Coal Company for 200 million tons (181 Tg) of Western low-sulphur coal over a period of 26 years to meet its requirement for low-cost,...

502-ft Diameter Laminated-Timber Dome Provides Fast, Low-Cost Cover for Arizona Stadium
Varex Dome, a 502-ft diameter engineering marveel of glue laminated timber, was built in record six months erection time. This dome shell structure forms both walls and roof for the new...

 

 

 

 

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